Science

Friday, 29 May 2026
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

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lava
Lavas are divided into three types based on their silicon dioxide (SiO2) content.
Lavas are distinguished by their acidity: Acidic, which have a high silica content, are viscous, fl ...
Enceladus
The area of Enceladus is over 800.000 square kilometers.
Tears
Babies can cry for up to three hours a day.
It is their way of communicating their needs, such as hunger, tiredness, or discomfort.
Moon
The period when the moon orbits the Earth is called a sidereal month, and it lasts 27,3 days.
Tears
The frequency of crying depends on human nature.
There is no equation to calculate how often people cry. It depends on various factors, such as emoti ...
Aurora
Australians prefer to use the more accessible term - "southern lights" instead of Aurora Australis.
Moon
The Moon is so far the only celestial body on which humans have landed.
The first successful landing on the Moon took place on July 20, 1969, at 21:17 CET. Shortly after la ...
Large Magellanic Cloud
It is located in the constellation of Dorado and Mensa.
Brain
Brain cells are produced throughout life.
Until the publication of research on neurogenesis in 2018, it was assumed that the process of creating neurons ends in childhood.
Graphene
In diamond, each of carbon’s four valence electrons is involved in the formation of such bonds.
As a result, diamond is a transparent, non-reactive insulator, and graphite is a black conductor, susceptible to chemical modifications.